@font-face {
  font-family: "优设标题黑";
  src: url(./优设标题黑.ttf);
}
@font-face {
  font-family: "PingFang-Bold";
  src: url(./PingFang-Bold.ttf);
}
@font-face {
  font-family: "PingFang-Medium";
  src: url(./PingFang-Medium.ttf);
}